<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
<script src="./jquery-3.4.1.js"></script>
</head>
<body>
<div id="id" class="cl">id选择器</div>
<div class="cl">哈哈哈</div>
<input type="text" id="inp">
</body>
<script>
//jq对事件的操作
$($('.cl')[0]).click(function(){
alert('弹出');
})
// document.getElementById('id').onclick=function(){};
$('#id').mousemove(function(){
// alert('鼠标移上去');
})
$('#id').mouseout(function(){
alert('鼠标移走');
})
$('#id').hover(function(){
//鼠标移上去
console.log('鼠标移上去');
},function(){
//鼠标移走
console.log('鼠标移走');
});
</script>
</html>